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Ulcerative Colitis Endoscopic Index of Severity (UCEIS)

Descriptor (score most severe lesions)

Likert scale anchor points

Vascular Pattern
Normal vascular pattern with arborisation of capillaries clearly defined, or with blurring or patchy loss of capillary margins
Patchy obliteration of vascular pattern
Complete obliteration of vascular pattern
No visible blood
Some spots or streaks of coagulated blood on the surface of the mucosa ahead of scope, which can be washed away
Some free liquid blood in the lumen
Frank blood in the lumen ahead of endoscope or visible oozing from mucosa after washing intra-luminal blood, or visible oozing from a haemorrhagic mucosa
Erosions and ulcers
Normal mucosa, no visible erosions or ulcers
Tiny (≤5 mm) defects in the mucosa, of a white or yellow colour with a flat edge
Large (>5 mm) defects in the mucosa, which are discrete fibrin-covered ulcers in comparison with erosions, but remain superficial
Deeper excavated defects in the mucosa, with a slightly raised edge

Source: Travis SLP, Schnell D, Krzeski P, Abreu MT, Altman DG, Colombel JF, Feagan BG, Hanauer SB, Lémann M, Lichtenstein GR, Marteau PR, Reinisch W, Sands BE, Yacyshyn BR, Bernhardt CA, Mary JY, Sandborn WJ. Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS). Gut 2012;61:535-42 with permission from BMJ Publishing Group Ltd.

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